1.

Ex. 8 : Iff is continuous at x = 1, wheref(x) = sin(x)+a,for x < 1x-1= 20for x = 11 + cos( ft x)Ti (1 - x)?+ b, for x > 1,then find the values of a and b.​

Answer»

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

[email PROTECTED]_arsh_deep_29



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