Q. 4 C3.9( 14 Votes )

Simplify and give reasons

(2−1 + 3−1 + 4−1) ×

Answer :

Given, = (2−1 + 3−1 + 4−1) ×

= ()


= ()


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=


=


(2−1 + 3−1 + 4−1) × =


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