Question

if x²+px+q be a perfect square, then-(A)p²=q,(B)p²=4q,(C)p=q²,(D)p=q
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Answer 1

Answer:

Step-by-step explanation:

Answer 2

Step-by-step explanation:

ax²+bx+c=0 like x²+px+q=0

We know, the perfect square has this equation

b²-4ac=0

or,p²-4×1×q=0

∴p²=4q

option B is the correct answer.