Question and Answers Forum
AlgebraQuestion and Answers: Page 90
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Question and Answers Forum |
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AlgebraQuestion and Answers: Page 90 |
| prove that sgn(0)=0 |
| 2^(10x) −x^5 −4=0 |
| Draw an electrical network (a) p∧(q∨r) (b)(∼p∧∼q)∨(∼p∧q)∨(p∧∼q) (c) p↔q |
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| In △ABC ∠BAC = 90° and AB = ((BC)/2). ∠ACB = ? |
| Find the recurring factors of the polynomial: 1. f(x)=x^5 −6x^4 +16x^3 −24x^2 +20x−8 2. f(x)=x^4 −x^3 −30x^2 −7x−56 |
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| 1×2+2×3+3×4+...+99×100=? |
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| If a,b,c,d∈[1,2] then prove that: (a + b + c + d + e)((1/a) + (1/b) + (1/c) + (1/d) + (1/e)) ≤ 28 When equality holds? |
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| find Σ_(n=0) ^∞ (1/((3n)!)) = 1+(1/(3!))+(1/(6!))+(1/(9!))+... |
| A=(1/(2018))+(1/(2019))+...+(1/(2050)) find the integer part of (1/A). |
| { ((3x=2 (mod 5))),((3x=4 (mod 7) )),((3x=6 (mod 11))) :} x=? |
| The solution of 2≤ax^2 +bx+c≤3 is [2, 3] 1) if a>0, ax^2 +(b−3)x−c≤0 has and only has 10 integer solutions. find the range of a. 2) find x: ax^2 +(b−1)x+5<0 |
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| Given 2x^2 y^2 +12y^2 =7x^2 +647 for x,y ε Z . Find the remaider if 3x^2 y^4 divide by 11 . |
| ∀−1≤a≤1, ∃0≤b≤2, x^2 −2ax+a≥∣b−1∣+∣b−2∣ find the range of x. (x∈R) |
| Be calm then solve ∣((x^2 +7x−8)/(x+3))∣≥ 2 |
| Solve 1st: ∣x−9∣≤ −1 , 2nd: ∣10x+1∣> −4 |
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| Let (√a)+ (√b)= (√(2023)) , Find values of a, b ∈ N |
| Solve ((2x)/(x+1))≥ 3 |