Math, asked by manab38, 1 year ago

r2+7r-2r-14=0. r=2 how?

Answers

Answered by samyak03

0

hey mate...

Put r=2
so, r2+7r-2r-14=0
therefore, 2*2+7*2-2*2-14
+4+14-4-14=0

HENCE,PROVED

Answered by shivansh5616

0

This is done by mid term split which is already done in qn

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