Question

Find the values of p for which the straight line 8px+(2-3p)y+1=0and px+8y-7=0 are perpendicular to each other

Find the values of p for which the straight lines 8px +(2-3p)y+1=0and px+8y-7=0 are perpendicular to each other

Answer 1

find the slope of the two lines
put the product of the slopes equals to -1
you will get the conditions for p