Math, asked by LouisAaron1788, 11 months ago

यदि प्रेक्षणों x + 1, x + 4, x + 5, x + 8, x + 11 का माध्य 10 है, अंतिम तीन प्रेक्षणों का माध्य है:
(A) 12.5 (B) 12.2 (C) 13.5 (D) 14.2

Answers

Answered by phenilbanerjee3112
1

Step-by-step explanation:

easy and please dont convert it in hindi

x+1+x+4+x+5+x+8+x+11 =10

5x+29=10

5x=-19

x=-3.8

-3.8+5 +-3.8+8+-3.8+11

12.6

Answered by khansaaiqa
1

Answer:

(a+b)^2 = a^2 +2ab +b^2

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it is an identity of algebraic expressions

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