CBSE BOARD X, asked by dipeeka9454, 1 year ago

help me out from the given question please its urgent

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Answered by kunalsarkarblg
0

the given eq. is

2x²+kx+3=0

comparing the given eq. with ax²+bx+c=0 we get

a=2,b=k,c=3

the eq. will have equal roots when

b²-4ac=0

⇒k²-(4*2*3)=0

⇒k²=24

⇒k=±2√6

∴for k=2,-2 the given equation 2x²+kx+3=0 will have equal roots

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