Prove that
3.
To prove: ;
Assume that
then we have .
or
Therefore we have
Now,
We can write L.H.S as
as we know
L.H.S = R.H.S
CBSE Class 10, 12 practical exams 2025 for compartment students from July 10; detailed guidelines issued
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CBSE Board 2025: Class 10th, 12th supplementary date sheet out; exams from July 15
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