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AMIT YADAV

· started a discussion

· 1 Months ago

DO IT DIRECT (Question: 200352.0 )

instead of solving it fully we can put value of x =2 it satisfy LHS hence rhs is also 35

Question:
\(\left (3x - \cfrac {2}{x} \right )\)If  = 5, then find the value of \(\left (9x^2 - \cfrac {4}{x^2} \right )\). 
Options:
A) 25 
B) 35
C) 30
D) 45
Solution:
Ans: (b)


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