Mathematics, 18.06.2021 15:50 NNopeNNopeNNope

EXERCISE 1 (C) Sangay Choolen
1. Find the A. M. between :
(0) 6 and 12
(11) 5 and 22 (un) (cos e + sin 02 and (cos -sin 0)2
(iv) (x + y)2 and (x - y)2
Find two numbers whose product is 91 and whose A. M. is 10.
The sum of three numbers in A. P. is 33, and the sum of their squares is 461. Find the
numbers.
There are four numbers is A. P., the sum of the two extremes is 8. and the
product of the middle two is 15. What are the numbers?
5. The sum of the first three terms of an A. P. is 36 while their product is 1620. Find the
А. Р.
6. The sum of the first four terms of an A. P. is 16 and the sum of their squares is 84 Find
the terms.
7. The angles of a triangle are in A. P. If the greatest angle is double the least, find the
angles.
8. The sum of the first three consecutive ternis of an A. P. is 9 and the sum of their
squares is
35. Find Sn
9. The sum of five consecutive terms of an A. P. is 25 and the sum of their
squares is 135. Find the terms.
The angles of a quadrilateral are in A P. and the greatest is double the
astangle

Answers: 2

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EXERCISE 1 (C) Sangay Choolen
1. Find the A. M. between :
(0) 6 and 12
(11) 5 and 22...

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