Math, asked by sahillohana, 4 months ago

Q# If a B is a multsple of 21, which
of the following must also be a multiple of 11?
A) Only A²-B²
c) Only ß-a d) Boh a^2-B^2 and B-a
b) Only aß​

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Answers

Answered by prabhas24480
6

Answer is Option d....

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