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Q.21 In the given figure find the value of x.
30°
R​

By Amara

Q.21 In the given figure find the value of x.
30°
R​

About the author
Amara

(ii) How much less 2a2 + 1 is than 3a2- 6?
9. If x = 6a + 8b + 9c; y = 2b – 3a – 6c and
Z = C – b + 3a; find :
(i)

(x + 2)2 + (y + 1)2




please answer​

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