Math, asked by NoBrainz, 1 year ago

Anybody plz for gods sake help me
Give ans in picture..do no.6 and no.11
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Answers

Answered by Anonymous
1
6. if x²-1 is a factor then +- 1 is root of the equation as we know it we put root in the equation it's it's value become 0
putting -1 in eq. a-b+c-d+e=0
a+c+e=b+d
11. (x+y)²=x²+y²+2xy
(12)²= x² +y² +64
x²+y²= 80
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