Question

if 3,x,11 are in AP then x=_____​

Answer 1

Answer:

7

Step-by-step explanation:

because 3+ 4 = 7

7+4 = 11

Answer 2

╚»★«╝ Hello mate ╚»★«╝

Answer: x = 7

Step-by-step explanation:

$a_{n}=a+(n-1)d\\=a_{3}=3+(3-1)d\\=a_{3}= 3+2d\\=11=3+2d\ \ \ \ \ \ \ \ \ \ \ \ \ \ (a_{3}=11)\\=11-3=2d\\=8=2d\\=4=d\\a_{2}=a+d\\a_{2}=3+4=7$

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