If {a+1/(a+2)}=3 then prove that, (a+2)^5-{1/(a+2)^5}=22 √2
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B
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Given, x=2+22/3+21/3
⇒(x−2)=22/3+21/3
⇒(x−2)=22/3+21/3
On cubing both sides, we get
(x−2)3=22+2+3⋅22/3⋅21/3(22/3+21/3)
⇒x3−6x2+12x−8=4+2+3×2×(x−2)
⇒x3−6x2+6x=2.
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Answer:
B
is the correct answer ❤️❤️❤️
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