"What should be the maximum value of `Q`in the following equation?`5P9-7Q2+9R6=823`5
Channel: Doubtnut
Date: 2020-04-05

"What should be the maximum value of `Q`
in the following equation?
`5P9-7Q2+9R6=823`

5
 (b) 6 (c)
 7 (d) 9
 (e) None of these"