Question

4a2 - 25b2के गुणनखण्ड कीजिए।

Answer 1

$\huge{\boxed {\mathfrak \blue {\fcolorbox {yellow}{red}{AnSwEr}}}}$

= Using Identity

= ${a}^{2}-{b}^{2}$

= ${4a}^{2}-{25b}^{2}$

=(4a + 25b)(4a-25b)

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Answer 2

Answer:

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Step-by-step explanation:

∣Question∣

if (x - 1)is the factor of polynomial (2x^2+kx) find the value of k.

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AnsWer

★

let (x-1) = x = +1

put the value of x. in the equation.

p(x)= 2x^2+kx

p(1)= 2.1^2+k.1

p(1)= 2+k

so the value of k = 2.

a. is the correct option

hop it helps....

ayush here....