Math, asked by Maneesh4031, 2 months ago

.Evaluate the following by applying identities. 17.5 *22.5

Answers

Answered by prabhkaur06

0

Answer:

(20-2.5)(20+2.5)

by a^2 - b^2

(20)^2 - (2.5)^2

400- 6.25

393.75

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