7.Binomial Theorem
normal

જો $(1 + x - 3x^2)^{2145} = a_0 + a_1x + a_2x^2 + .........$ હોય તો  $a_0 - a_1 + a_2 - a_3 + ..... $ નો છેલ્લો અંક મેળવો 

A

$1$

B

$3$

C

$7$

D

$9$

Solution

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Standard 11
Mathematics

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