Question

The expression 3(y + 9) (4y – 3) = Ay2+ By + C is true for all the values of y. Find A + 2B – C​

Answer 1

Answer:

Given,

49392=2×2×2×2×3×3×7×7×7

=2

4

×3

2

×7

3

∴49392=2

4

×3

2

×7

3

Given, 49392=a

4

×b

2

×c

3

comparing both, we get,

a=2,b=3,c=7

Step-by-step explanation:

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