Find the number of terms in following :
( 2x 3y )19( 1 x2 2x )10
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Find the number of terms in following :
( 2x 3y )19( 1 x2 2x )10
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here is your answer ⤵️⤵️
given,
(2x 3y)19 ( 1x2 2x)10.
The no.of expansions = (a+b)is (n+1).
No of terms in expansion
= ( 2x+3y)19.
= 19+ 1
= 20
( 1+x2+ 2x) 20
=(1+x)2) 20
= (1+x)40.
= 40+1
= 41
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