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Short Method (A+B)5= (2A+B/2)4 5A+5B=8A+2B 3B=3A So A=B (A+B)5 | Maha Test Series (My Ambitious)

Short Method
(A+B)5= (2A+B/2)4
5A+5B=8A+2B
3B=3A
So A=B
(A+B)5
(1+1)5
2×5=10