Find the value of the expression x + y2 + 2xy when x=3 , y=-2
Answers
Answered by
0
Step-by-step explanation:
x+y²+2xy
= 3+(2)²+2(3)(2)
= 3+4+12
= 19
Answered by
0
We simply substitute x=1,. y = 2 in the given expression x² + y² as shown below:
x² + y² = (1)² + (2)² = = 1+4= 5
Hence, the value of the expression x² + y ^ 2 = 5 when x = 1 , y = 2
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