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amit

· started a discussion

· 1 Months ago

Directly taking the experssion m^2-n^2

Question:

  .

Options:
A)

2mn    

B)

4mn    

C)

m - n

D)

2 mn

Solution:

Ans: (a)

  

ASHUTOSH

· commented

· 1 Months ago

Put angle 45 degrees and check aid options

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