Maths-
SAT
Easy
Question
The expression 3xy(2 y + 3) is equivalent to bxy2 + 9xy, where b is a constant. What is the value of b?
The correct answer is: 6
Given 3xy(2y + 3) = 6xy2 + 9xy
To find value of ‘b’
3xy(2y + 3) = 6xy2 + 9xy
6xy2 + 9xy = bxy2 + 9xy
LHS = RHS
Value of b = 6.
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