Math, asked by fightersatya, 7 months ago

The sum of all possible products
taken two at a time out of the
numbers +1, +2, +3, +4 is
(a) (b)-30 (c) 30 (d) 55​

Answers

Answered by PharohX
3

Step-by-step explanation:

ans is 2×1+3×1+4×1+2×3+2×4+3×4

= 35

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