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ankit Chaudhary

· started a discussion

· 1 Months ago

short cut (Question: 190815.0 )

Do you have any short cut ?

Question:
If \(a^4 + a^2b^2 + b^4 = 8\) and\( a^2 + ab + b^2 = 4\), then the value of ab is – 
Options:
A) –1
B)  0
C) 2
D) 1
Solution:
Ans: (d)


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