4. Find the value of (b) 4x^4 + x^3 + xy^2 – y^3 +6 for x = -2, y = 5 .
Answers
Answered by
2
Answer:
hiiiiiiiiii
Step-by-step explanation:
idon't konw dear
Answered by
0
Answer:
35
Step-by-step explanation:
35
Given, x+y=5,xy=6
(x+y)
3
=x
3
+y
3
+3xy(x+y)
Therefore, 5
3
=x
3
+y
3
+3(6)(5)
⇒125=x
3
+y
3
+90
⇒x
3
+y
3
=125−90=35
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