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ArithmeticQuestion and Answers: Page 9

Question Number 192664 Answers: 0 Comments: 0

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{ ((z_1 + z_2 = a)),((z_2 + z_3 = b)),((z_3 + z_4 = c)),((z_1 + z_4 = d)) :} solve using gaussian elimination

${\begin{cases} z_{1} + z_{2} = a \\ z_{2} + z_{3} = b \\ z_{3} + z_{4} = c \\ z_{1} + z_{4} = d \end{cases}$ $s o l v e u s i n g g a u s s i a n e l i m i n a t i o n$

Question Number 191966 Answers: 1 Comments: 0

Question Number 191831 Answers: 1 Comments: 0

Question Number 191821 Answers: 1 Comments: 0

Q ▶ Show that: Σ_(i=1) ^(2n) (−1)^(i+1) (1/i)=Σ_(i=1) ^n (1/(i+n))

$Q ▸ S h o w t h a t :$ $\underset{i = 1}{\sum^{2 n}} {(- 1)}^{i + 1} \frac{1}{i} = \underset{i = 1}{\sum^{n}} \frac{1}{i + n}$

Question Number 191758 Answers: 2 Comments: 0

Question Number 191229 Answers: 0 Comments: 0

evaluate P_n =(a+sin θ)(a+sin (θ/2))(a+sin (θ/2^2 ))...(a+sin (θ/2^n )) with ∣a∣≤1

$e v a l u a t e$ $P_{n} = (a + \sin θ) (a + \sin \frac{θ}{2}) (a + \sin \frac{θ}{2^{2}}) . . . (a + \sin \frac{θ}{2^{n}})$ $w i t h ∣ a ∣⩽ 1$

Question Number 191028 Answers: 2 Comments: 0

Question Number 191025 Answers: 0 Comments: 1

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Question Number 190618 Answers: 1 Comments: 0

f(x−f(x))=x ,f(5)=−1 f(−1)=?

$f (x - f (x)) = x, f (5) = - 1$ $f (- 1) = ?$

Question Number 190395 Answers: 3 Comments: 0

which is larger, 2^(234) or 5^(100) ?

$w h i c h i s l a r g e r,$ $2^{234} o r 5^{100} ?$

Question Number 190339 Answers: 1 Comments: 0

solve for x ∈R (√(x−1))+(√(3x−5))+(√(4x−7))=4x−5

$s o l v e f o r x \in R$ $\sqrt{x - 1} + \sqrt{3 x - 5} + \sqrt{4 x - 7} = 4 x - 5$

Question Number 190192 Answers: 3 Comments: 2

if a>b>0, find the minimum of a^2 +(1/((a−b)b))=?

$i f a > b > 0, f i n d t h e m i n i m u m o f$ $a^{2} + \frac{1}{(a - b) b} = ?$

Question Number 189977 Answers: 1 Comments: 0

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