Math, asked by iampritimajumder, 10 months ago

Find the value of 27a3 +1/a3,=? if 9a2+1/a2 = 43

Answers

Answered by venkatavineela3

4

Answer:

Step-by-step explanation:

9a^2+1/a^2=43

9a^2+1/a^2+6=49

(3a+1/a)^2=49

3a+1/a=7

cubing

27a^3+1/a^3+3(3a+1/a)(3)=343

27a^3+1/a^3=343-3*7*3=343-63=280

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