Math, asked by krunalprajapati314, 3 months ago

જો સમીકરણ x² - 3x - k = 0 ના વિવેચકનું મૂલ્ય 1 હોય, તો k ની કિંમત શોધો.​

Answers

Answered by Anonymous
7

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x^2–3x-k=0

D= b^2–4ac=1…………..(1)

x=(-b+/- D^1/2)/2a

Put a=1 , b=-3 , D=1

x=(3+/- 1^1/2)/2×1

x=(3+/-1)/2

x=(3+1)/2 , (3–1)/2

x=2 , 1

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