Question

(a+1/a)^2 = 7 find 2a^3 + 2/ a ^3
​

Answer 1

Step-by-step explanation:

ANSWER

It is given that,

(a

2

+1)/a=4

a

2

/a+1/a=4

a+1/a=4

So by multiplying the expression by 2a,

we get

2a

3

+2/a

3

=2[a

3

+1/a

3

]

=2[(a+1/a)

3

−3(a)(1/a)(a+1/a)]

=2[(4)

3

−3(4)]

=2[64−12]

=2(52)

=104 mark as brainlliest please

Answer 2

Answer:

ok its a correct answer