Question

Determinant of p72 and 4 is equal to -18 find the value of p

Answer 1

Given-

p72 and 4 is equal to -18

To find-

The value of p

Solution-

WE can write given information as

$p72 = -18$ . . . . . . . . . . . . (1)

$4= -18$ . . . . .  . . . . .  . . (2)

As, in both the equation it is equal to (-18) so we can equate it

$p72=4\\p = \frac{4}{72} \\p= \frac{1}{18}$

The value of p is $\frac{1}{18}$