Math, asked by roheetsirigiri, 2 months ago

x square minus kx + 9 equal to 7 find the value of k

Answers

Answered by aakashkanojiya26

2

Step-by-step explanation:

x² -kx+9=7, x²-kx+2=0

= b²-4ac

k²-8=0

k=√8, √2×2×2= 2√2

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