Math, asked by fshabna26, 3 months ago

If p(x) = 3x2

-4x+7. Check whether p (1) + p (2) = p (3) and also p (2) x p (3) = p (6).


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fshabna26: Find the mean weight of the following data.

Weight (KG) No: of students
21-23 4
23-25 7
25-27 7
27-29 6
29-31 3
31-33 1
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Answers

Answered by AIMANRASHEED
3

Answer:

p(x)= 3x^2 - 4x + 7

p(1) = 3(1) -4(1) + 7 = 3 - 4 +7 = 6

p(2) = 3(4)-4(2)+7 = 12 - 8 + 7 = 11

p(3) = 3(9)-4(3)+7 = 27 - 12 +7 = 22

p(6) = 3(36) -4(6)+7 = 91

therefore, p(1)+p(2) = 17 which is not equal to p(3)= 22

(ii) 6 ×11 = 66 which is not equal to 91.


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AIMANRASHEED: n....what is the shaded region!?
AIMANRASHEED: for angle AOC, in traingle AOC, 30 +30 + <0 = 180°
AIMANRASHEED: as in equlateral traingle we have each angke 60°
AIMANRASHEED: so ,
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