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first solve c+d=11 and c-d=1 simultaneously
you will get c=6 and d=5
so therefore it will be 4×6×5(6²+5²)
= 120×61 = 7320
you will get c=6 and d=5
so therefore it will be 4×6×5(6²+5²)
= 120×61 = 7320
anjanikumarjadaun:
u r genius
thank you
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