Question

9. In an A.P if the as = 12 and 212 = 5, find the Common difference.​

Answer 1

Answer:

yr ques smjh ni aay dubara likh acha se

Answer 2

Finding Common difference:

Step-by-step explanation:

In the given question there is some typing error so, the correct question can be described as follows:

$\ Given \ value:\\\\a5=12\\\\a12 = 5\\\\\ Find: \\\\\ common \ difference \ d= ?\\\ Solution: \\\\a+4d=12.....(1)\\\\a+11d=5...(2)\\\\\ subtract \ equation \ 2 \ from \ equation \ 1\\\\a+11d=5 \\a+4d=12\\\ subtract\\\\\ 7d=-7\\\\d=-\frac{7}{7}\\\\d=-1$

Learn more:

• Common difference: https://brainly.in/question/12431432