Math, asked by anishashah153, 2 months ago

Ratio and proportion

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Answered by amitsharma777222999

1

Step-by-step explanation:

5a-2b/5a+2b=1/3

15a-6b=5a+2b

10a=8b

a=4b/5

2a^2+b^2=2(16b^2/25)+b^2

=(32+25)b^2/25=57b^2/25

2a^2-b^2=(32-25)b^2/25=7b^2/25

2a^2+b^2/2a^2-b^2=57/7

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