Math, asked by ankushkr2248, 9 months ago

a^2+b^2=9
,,a+b=1
,,then find
a^4+b^4=?

Answers

Answered by raja2511919

1

Answer:

(a+b)^2=1^2

Step-by-step explanation:

a^2+b^2+2ab=1

9+2ab=1

ab=-4

(a^2+b^2)^2=81

a^4+b^4+2(ab)^2=81

a^4+b^4+32=81

a^4+b^4=49

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