Question

If x=1,y=2andz=5 find the value of
2x²-3y²+z²​

Answer 1

X=1,y=2,z=5.

2X²-3y²+z²

2×(1)²-3×(2)²+(5)²

2×1-3×4+25

2-12+25

27-12

15.

Answer 2

Step-by-step explanation:

WE KNOQ THAT THE VALUE OF X = 1

Y= 2

Z= 5

=>2X²-3Y²+Z²

=2×1²-3×2²+5²

=2-12+25

=-10+25

=15

HOPE IT HELPS MARK AS BRAINLIST AND LEAVE A ❤️❣️ THANKS FOR ME