if a + 1 by a whole square is equal to b then x cube + 1 by x cube is equal to b cube B 3 by 2
Anshita02:
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Answered by
5
Answer:
b^3/2-3√b
Step-by-step explanation:
(a+1/a) ²=b
a+1/a=√b....................(A)
a²+1/b²+2*a*1/a=b
a²+1/a²=b-2...........(1)
a³+1/a³=(a+1/a)(a²+1/a²-*a*1/a)
=√b( b-2-1)
=b√b-3√b
=b^(1+1/2)-3√b
=b^3/2-3√b
Answered by
1
Answer:
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