Question

Q1.Thnx dedo pleach

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

Answer 1

Answer:

Agar aapne mere question report kare toh aapko paap lagega ._.

$(p + q + r {)}^{2} = {p}^{2} + {q}^{2} + {r}^{2} + 2pq + 2qr + 2rp \\ \\ = (4 {)}^{2} + (3 {)}^{2} + ( - 2 {)}^{2} + 2(12) + 2( - 6) + 2( - 8) \\ \\ = 16 + 9 + 4 + 24 - 12 - 16 \\ \\ = 12 + 9 + 4 \\ \\ = 16 + 9 \\ \\ = 25$

Answer 2

me tujje answer deti hu toh mark as brainliest or thanks toh kar toh pata chale ki tu onn he ki off

umhh! ❤