" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
pole=12x²+4x²+6x²=22x²
10.a)p(x)=2×(10x×x)+2×(5x×x)+2×(10x×5x)
P(x)=20x²+10x²+100x²
p(x)=130x²
b)p(x)=2×(1/2x×1/2x)+2×(1/2x×4x)+2×(1/2x×4x)
p(x)=1/2x²+4x²+4x²
P(x)=8 1/2x²
c)P(x)\=2×(1/2x×1/4x)+2×(1/2x×x)+2×(1/4x×x)
p(x)=1/4x²+x²+1/2x²
P(x)=1/4x²+x²+2/4x²
p(x)=1 3/4x²
2.a)A(1,-7)
y=ax²
-7=a×1²
a=-7
b)B(2,1)
1=a×2²
4a=1 /:4
a=1/4
c)C(-2,-2)
-2=a×(-2)²
-2=4a
a=-1/2
d)D(1/2,4)
4=a×(1/2)²
1/4a=4 /:(1/4)
a=16