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kesi

· started a discussion

· 1 Months ago

wrong explaination (Question: 109774.0 )

a^4+b^4+a^2b^2=????????/ which farmula use

Question:
\(\cfrac{\left ( 1\cfrac {1}{3} \right )^4 +{\left ( 1\cfrac {1}{3} \right )^{-4}+1}}{{\left ( 1\cfrac {1}{3} \right )^2}+{\left ( 1\cfrac {1}{3} \right )^{-2}+1}} =\)  ?
Options:
A) -1
B) 1
C) \(\cfrac{193}{144}\)
D) \(\cfrac{481}{144}\)
Solution:
Ans:(c) 


We know,

A4 + B4 + A2B2 = (A2 + B2 - AB) x (A2 + B2 + AB)

\(\therefore\) Given expression


Deepak

· commented

· 1 Months ago

A2+B2 +a2 *B2 =✓uppr dekh bhai

Ambarish Gupta

· commented

· 1 Months ago

bhai..hota h..aap ise reverse m solve kr lo..aapko smjh aa jayega..
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