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Anil Singh

· started a discussion

· 1 Months ago

shortcut (Question: 257203.0 )

no need to learn formula
try to convert x+1/x=5 in (x+1)^2
u'll get (x+1)^4= 49x^2

Question:

If x + $\frac{1}{x} = 5$ , find $\frac{{(x + 1)}^{4}}{x^{4} + 1}$ = ?

Options:

A)

$\frac{43}{23}$

B)

$\frac{41}{23}$

C)

$\frac{45}{23}$

D)

$\frac{49}{23}$

Solution:

Ans: (d)

priyanka

· commented

· 1 Months ago

nice

Pratyush Sharma

· commented

· 1 Months ago

AWESOME Anil Singh

bharti

· commented

· 1 Months ago

explain in detail anil singh

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