Equations and Expre...

# Equations and Expressions

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let the quadratic eq ax^2 +bx + c be such that a,b,c are distinct and each of a,b,c belong to {1,2,3.....n} such that x+1 divides ax^2+ bx +c.If such quad.polynomials are < 99,then max(n)=?

a)14Â  b)15Â Â  c)16Â Â  d)18Â Â  e)noneÂ  of these

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How to find the roots of a cubic equation?

There is no formula for solving cubic polynomial you have to factorise them if possible or you have to look for the sum and product of roots here it can be factorised easilyÂ

Got it. thanks alotÂ ðŸ™‚

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The area enclosed byÂ f(x) = min {4-x, 4+x} and g(x) = max {-x, x-4} equals

Â

Â

8

12

16

24

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A quadratic function attains minimum value of â€“25 at x = 1. If f(0) = â€“24, what is the value of f(6)?

Â

Â

0

0

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If a=âˆš(7+4âˆš3), what will be the value of a+1/a?

Hello Nancy!

PFA the solution ðŸ™‚Â

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If roots of equation (a^2+b^2)x^2-2b(a+c)x+b^2+c^2=0 are equal then a,Â  b, c are in

A) AP

B) GP

C) HP

D) cannot be determinedÂ

PFA the solution ðŸ™‚Â

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Solve the inequality

3x^2-7x-6<0

Â

3x2 â€“ 7x â€“ 6 < 0.

3x2 â€“ 9x - 2x â€“ 6 < 0.

3x ( 3x -2) -2( x-3) < 0.

( 3x â€“ 2) ( x-3) <0

Â  Â  Â  Â  Â  Â  Â  Â  Â  2/3Â  Â  Â  Â  Â  Â  Â  Â  Â  Â  Â  3
___+ve____|_____-ve _____|____+ve___

2/3 < x < 3Â

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(7/2+a)Â²+(7/2+a+x)Â²=7Â²-----(1)
(7/2+a-x)Â²+aÂ²=(7/2)Â²-----(2)
Find values of a and x ?

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