Question

Maths class 10

Find the value of 'p' for which the quadratic polynomial has real linear factors:

px² + 2x + k = 0

Answer 1

real linears factors are the first degree of equation

so value of x if 1

wo put the value of 1 in x

px²+2x+k=0

p(1)²+2(1)+k=0

p+2+k=0

p+k= -2 .........eq¹

k = -2+p ...........eq2

put the value of 2 eq in eq 1

p+(-2+p) = -2

p-2+p = -2

2p=0

p=0

now put the value of p in eq 2

k= -2+p

k= -2+0

k=-2

so the value of p=0 and k= -2

hope it will help you

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Answer 2

Answer:

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