Question

14.
II the sum of three numbers in A.P.IS 36, then find the middle term.
15.
Find the value of x+- if r - 2x+1=0
Find the lenth of the diagonalofacuboid boca dimensione are 6
m
m​

Answer 1

Answer:

sum of three numbers,=36

x+x+1+x+2=36

3x+3=36

3x=36-3

3x=33

x=33/3

x=11

middle term =x+1

x+1=11+1

middle term equals 12