Question

if p=4,q=3,andr= -2,then find the value of the algebraic expression
p²+q²-r²
------------
pq+qr-pr​



tela ko setting ki pdi hai (─.─)
kon ho yrr tum ?
​

Answer 1

Answer:

Aap id delete kyu kl lahe ho

Mt klo n pleach

Answer 2

Answer:

you can directly put their numerical value

4²+3²-(-2)²...remember the square of negative = positive so (-2)²= + 4

=16+9-4

=25-4

=21 ans

For 2nd question

4*3+3*(-2)-4*(-2)

12-6+8

12+8-6

20-6

14ans