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Question Number 157991 Answers: 1 Comments: 0

Length side of hexagonal above is =12 cm . Find it′s total area

$Length side of hexagonal above is = 12$ $cm . Find {it}^{'} s total area$

Question Number 157989 Answers: 0 Comments: 2

find the value of : Max_( x∈ R) ( (sin(x)+(√3) cos(x)+1)^( 2) =?

$f i n d t h e v a l u e o f :$ ${Max}_{x \in R} ({(\sin (x) + \sqrt{3} c o s (x) + 1)}^{2} = ?$

Question Number 157984 Answers: 1 Comments: 0

Question Number 157982 Answers: 0 Comments: 0

(3x^2 −4xy+y^2 −3y)dx+(2xy−2x^2 +6y^2 +3x)dy=0

$(3 x^{2} - 4 x y + y^{2} - 3 y) d x + (2 x y - 2 x^{2} + 6 y^{2} + 3 x) d y = 0$

Question Number 157981 Answers: 1 Comments: 0

How much the long of the diagonal space , if total area of a cube is 216 cm^2 .

$How much the long of the diagonal$ $space, if total area of a cube is$ $216 {cm}^{2} .$

Question Number 157980 Answers: 2 Comments: 0

Calculate this problem below a). ((7!)/((5−1)!)) =...... b). ((5!×3!)/(4!)) =...... c). 6! 4! =... d). ((7!)/(3!))×((2!)/(5!)) =......

$Calculate this problem below$ $a) . \frac{7!}{(5 - 1)!} = . . . . . .$ $b) . \frac{5! \times 3!}{4!} = . . . . . .$ $c) . 6! 4! = . . .$ $d) . \frac{7!}{3!} \times \frac{2!}{5!} = . . . . . .$

Question Number 157977 Answers: 1 Comments: 0

∫ (dx/((1+(x)^(1/4) )(√x))) =?

$\int \frac{d x}{(1 + \sqrt[4]{x}) \sqrt{x}} = ?$

Question Number 157974 Answers: 0 Comments: 4

which one do you prefer? sin^(−1) (x) or arcsin(x)

$which one do you prefer ?$ $\sin^{- 1} (x) or \arcsin (x)$

Question Number 157972 Answers: 1 Comments: 6

given 2x=3y and 4y=3z find ((3x−4y)/(2x−y+5z))

$g i v e n 2 x = 3 y a n d 4 y = 3 z$ $f i n d \frac{3 x - 4 y}{2 x - y + 5 z}$

Question Number 158037 Answers: 0 Comments: 0

(1) lim_(z→− i) ((z − i)/(z^2 + 1)) (2) lim_(z→− i) ((z + i)/(z^2 + 1)) (3) lim_(z→i) ((2z^2 − zi + 1)/(z − i))

$(1) \lim_{z \to - i} \frac{z - i}{z^{2} + 1}$ $(2) \lim_{z \to - i} \frac{z + i}{z^{2} + 1}$ $(3) \lim_{z \to i} \frac{{2 z}^{2} - zi + 1}{z - i}$

Question Number 157967 Answers: 0 Comments: 0

Prove that 7^(n+1) divide 3^7^n + 5^7^n - 1 for any positive integers n

$Prove that 7^{n + 1} divide 3^{7^{n}} + 5^{7^{n}} - 1$ $for any positive integers n$

Question Number 157965 Answers: 1 Comments: 1

Question Number 157964 Answers: 0 Comments: 1

Solve for real numbers: 4tan(x) + ((sin(5x))/(cos^5 (x))) = 0

$Solve for real numbers :$ $4 \tan (x) + \frac{\sin (5 x)}{\cos^{5} (x)} = 0$

Question Number 157961 Answers: 2 Comments: 0

prove that: I=∫_0 ^( ∞) x^( 2) tanh(x).e^( −x) dx=(π^( 3) /8) −2

$p r o v e t h a t :$ $I = \int_{0}^{\infty} x^{2} t a n h (x) . e^{- x} d x = \frac{π^{3}}{8} - 2$

Question Number 157957 Answers: 1 Comments: 3

Question Number 157958 Answers: 0 Comments: 0

Find: Ω_n =Σ_(n=1) ^∞ (1/n)(Σ_(k=1) ^n ((k^3 + k^2 - 3k - 2)/((k + 2)!)))

$Find :$ $Ω_{n} = \underset{n = 1}{\sum^{\infty}} \frac{1}{n} (\underset{k = 1}{\sum^{n}} \frac{k^{3} + k^{2} - 3 k - 2}{(k + 2)!})$

Question Number 157952 Answers: 1 Comments: 0

f(x)=x^(2014) +2x^(2013) +3x^(2012) +4x^(2011) +...+2014x+2015 min f(x)=?

$f (x) = x^{2014} + 2 x^{2013} + 3 x^{2012} + 4 x^{2011} + . . . + 2014 x + 2015$ $m i n f (x) = ?$

Question Number 157940 Answers: 0 Comments: 3

Question Number 158039 Answers: 2 Comments: 0

f (((x + 1)/2)) = x + 2 ⇒ f(x) = ?

$f (\frac{x + 1}{2}) = x + 2 \Rightarrow f (x) = ?$

Question Number 157938 Answers: 0 Comments: 0

Question Number 157937 Answers: 0 Comments: 0

Question Number 157935 Answers: 0 Comments: 0

Evaluate A=Σ_(k=1) ^n (tan((kπ)/(2n)))

$Evaluate A = \underset{k = 1}{\sum^{n}} (\tan \frac{k π}{2 n})$

Question Number 157932 Answers: 0 Comments: 4

prove that tan^(−1) (((xy)/(rz)))+tan^(−1) (((xz)/(ry)))+tan^(−1) (((yz)/(rx)))=(π/2)

$p r o v e t h a t \tan^{- 1} (\frac{x y}{r z}) + \tan^{- 1} (\frac{x z}{r y}) + \tan^{- 1} (\frac{y z}{r x}) = \frac{π}{2}$

Question Number 157929 Answers: 0 Comments: 1

∫(dx/(sin x+ sec x)) using wiestress substitution

$\int \frac{dx}{\sin x + \sec x}$ $using wiestress substitution$

Question Number 157942 Answers: 0 Comments: 1

Question Number 157913 Answers: 1 Comments: 0

5^2 ∙ 5^4 ∙ 5^6 ∙ ... ∙ 5^(2x) = 0,04^(-28) find x=?

$5^{2} \cdot 5^{4} \cdot 5^{6} \cdot . . . \cdot 5^{2 x} = 0, 04^{- 28}$ $find x = ?$

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