a+1/a=3 then a⁵+1/a⁵ =?explain with formula
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Ihelp you ok
Step-by-step explanation:
squaring both side ,we have
a^2+1/a^2=7-------------(1)
again cubing both side of original equation,we have
a^3+1/a^3=18------------(2)
multiplying equation 1 and 2,we have
a^5+1/a^5+(a+1/a)=126
thus result will be 123
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