Question

Use formulae to evaluate the following:
904 x 904
and give me solution please please​

Answer 1

Answer:

900^2-4^2

810000-16

809984

Answer 2

Answer:

SO THIS PROBLEM IS BASED ON ALGEBRAIC IDENTITIES .

Step-by-step explanation:

SO , 904 × 904

SO , (904)^2

SO , (900+4)^2 [904 = 900 + 4]

SO , (900)^2 + (4)^2 + 2(900)(4) [BY IDENTITY (a+b)^2 = (a)^2 + (b)^2 + 2ab ]

SO , 900 × 900 + 4 × 4 + 2 × 900 × 4

SO , 810000 + 16 + 7200

SO , 8,17,216.

ANSWER :- THE 904 × 904 IS 8,17,216.

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