Help me friends ? Q no 17
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Answer:
Step-by-step explanation:
correct answer is d
for option (b) if you add 2 only at L.H.S. solution of equation changes
for eg,
∴2x = 0
∴2x+2 =0
have different solution
but solution in case of option (a) and (c) will be unaffected as it is applied both the side