Question

3.7x3.7+2.3x2.3+2x3.7x2.3/4.6x4.6-3.4x3.4 equals (a)15/4 (b)19/4 (c)13/4 (d)7/2 ?

Answer 1

Answer:

(3.7)^2 +(2.3)^2 + 2(3.7)(2.3) / (4.6)^2 -(3.4)^2

it is of form (a+b)^2 = a^2 + b^2 + 2ab

(3.7+2.3)^2 / (4.6+3.4)(4.6-3.4)

(6)^2 / 8(1.2)

36/9.6

12/3.2

3/0.8

3/8/10

30/8

15/4 is answer obtained

Step-by-step explanation:

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