If a + 1/a = 6 , then find a power 4 + 1/ a power 4
Please give detailed steps.
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Answered by
2
a + 1/a = 6
Squaring both sides
________________
-> a² +1/a² + 2.a.1/a =6²
or, a² +1/a² = 36 - 2
or, a² + 1/a² =34
Again Squaring both sides we get,
___________________________
a⁴ +1/a⁴ +2.a².1/a² =34²
a⁴ +1/a⁴ =1156 - 2 = 1154 __(answer) ___
.
Hope I helped u.
Squaring both sides
________________
-> a² +1/a² + 2.a.1/a =6²
or, a² +1/a² = 36 - 2
or, a² + 1/a² =34
Again Squaring both sides we get,
___________________________
a⁴ +1/a⁴ +2.a².1/a² =34²
a⁴ +1/a⁴ =1156 - 2 = 1154 __(answer) ___
.
Hope I helped u.
rakeshmohata:
thnx for brainliest one
Answered by
0
a+1=6a
a-6a=-1
-5a=-1
a=-1/-5
a=1/5
(4+1)/(1/5)^4
(5/1/5)^4
(5*5/1)^4
(25)^4
390625 ans
a-6a=-1
-5a=-1
a=-1/-5
a=1/5
(4+1)/(1/5)^4
(5/1/5)^4
(5*5/1)^4
(25)^4
390625 ans
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