Math, asked by anjalipillay04, 1 month ago

duplex method of D(a+2)

Answers

Answered by niteshshaw723

0

Answer:

ad+2d is the answer of this question

Answered by queen423

1

Answer:

If a, b, c, d, e, f, etc. are digits, then

d(a) = a^2

d(ab) = 2ab

d(abc) = 2ac + b^2

d(abcd) = 2ad + 2bc

d(abcde) = 2ae + 2bd + c^2

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