Question

18. Find the values of th
ind the values of the following expressions :
(1) 36x2 + 49y2 + 84xy, when x = 1/4 Y =2/7​

Answer 1

Answer:

52

Step-by-step explanation:

=36×1/4×2+49×2/7×2+84×1/4×2/7

=9×2+7×2×2+3×2

=18+28+6

=52........

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Answer 2

Answer:

answer = 9/4 + 4 +21/2

= 64/4

=16

IS my answer is correct or not????????