Question

17. Factorise:
25x + 16y2 + 4z2-
40xy + 16 yz - 20xz
​

Answer 1

Answer:

If one zero of quadratic polynomial x 2 3x K is 2 then the value of K is

If one zero of the quadratic polynomial kx2+3x+k is 2 then the value of k is. Solution : x = 2 satisfies ks2+3x+k=. ∴4k+6+k=0⇒5k=-6⇒k=-65.

Step-by-step explanation:

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