If the value of determinant is [m/-5 and 2/7] is 31 ,find the value of 'm'
Answers
Answered by
22
7m + 10 = 31
7m = 21
m=3
7m = 21
m=3
Answered by
25
Answer:
THE VALUE OF `m` IS 3
|m. 2|
|-5. 7|
(7×m)-(-5×2)
7m+10=31
7m=31-10
7m=21
m=21/7
m= 3
HOPE IT WILL HELP YOU..
Similar questions