Question

2
If p = -1, q = -2 and r = 2, find the value

(iv) 2pºq + 3 pq+ 4pqr (v) 2p - 30+​

Answer 1

Step-by-step explanation:

P=-1,Q=-2 and R=2

iv)2P^2 × Q + 3PQ + 4PQR

SOL:= 2(-1)^2 × -2 + 3(-1×-2) + 4(-1)(-2)(2)

= 2(1)× -2 + 3(2)+ 4(4)

=2 × -2 + 6 + 16

= -4 + 22

= 18

v)2P - 30

SOL: =2(-1) -30

=-2-30

=-32

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