Math, asked by atharvak699, 9 months ago

0.12 Iff:
R
R
defined by f(x)= a cos’x + x’sin’x,
x>0
Lax+b
is continuous then
21​

Answers

Answered by arsh122100
0

Answer:

In △ABC AB=AC

⇒∠B=∠C (Angles opposite to equal sides are equal)

Now using angle sum property

∠A+∠B+∠C=180

⇒80

+∠C+∠C=180

⇒2∠C=180

−80

⇒∠C=

2

100

=50

now ∠C+∠x=180

(Angles made on straight line (AC) are supplementary)

⇒50

+∠x=180

⇒∠x=180

−50

=130

@ARSH

insta@_arsh_deep_29

Similar questions