Prove that a(m+n)+a(m-n) is equal to 2am
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2
am+an+am-an
because +an and -an cancel each other
am+am= 2am
because +an and -an cancel each other
am+am= 2am
Answered by
2
kProve that :-
a( m + n ) + a ( m - n ) = 2am
L.H.S
a ( m + n ) + a ( m - n )
am + an + am - an
am + am
= 2am
Hence prove
L.H.S = R.H.S
a( m + n ) + a ( m - n ) = 2am
L.H.S
a ( m + n ) + a ( m - n )
am + an + am - an
am + am
= 2am
Hence prove
L.H.S = R.H.S
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