Q.
a(3c-b)
value: a=3,b = - 5 and c =6
Answers
Answered by
3
Answer:
on substituting the value
=3{3×6-(-5)}
=3(18+5)
=3×23
=69
hope it helps
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Answered by
0
Answer:
=a+b+c/2
=14/2
=7
=cos(A/2)√s(s-a)/bc
=cos(A/2)√7(7-3/5×6
=cos(A/2)√14/16
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