(a+1/a+2)²=4 then find a²+1/a².
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Answered by
0
Answer:
The answer will be -2.
Step-by-step explanation:
(a+1/a+2)²=4;
a+1/a+2 = 2;
a+1/a = 0;
Square both side;
(a+1/a)^2 = (0)^2;
a^2+1/a^2 + 2(a)(1/a)= 0; (since, (a+b)^2 = a^2 + b^2+2ab)
a^2+1/a^2 + 2= 0;
a^2+1/a^2 = -2 ;
That's all.
Answered by
1
Answer:
the answer will be 2(8+7a).
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