evaluate (_a_b+c)'2 if a=2.b=1.c=10
Answers
Answered by
1
Answer:
121
Step-by-step explanation:
(c+b)^2
(10+1)^2
(11)^2
121..
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Answered by
0
Answer:
Answer us 6
Step-by-step explanation:
⇒(a+b+c)
2
=a
2
+b
2
+c
2
+2(ab+bc+ca)
Given,
ab+bc+ca=10,a
2
+b
2
+c
2
=16
⇒(a+b+c)
2
=16+2(10)
a+b+c=
16+20
=6
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