Math, asked by aleteacher1112, 10 months ago

If a,b,c are in gp show that
1) (a+2b+2c) ( a-2b+2c) = a²+4c²

2) a(b²+c²) = c(a²+b²)

Answers

Answered by ALTAF11
6

Step-by-step explanation:

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