Podane wyrażenia zapisz w postaci sumy :
a ) . ( a + 3 )²
b ) . ( b + 2 )²
c ) . ( 3b + 4 )²
d ) . ( 4a + 7)²
e ) . ( x + 7 )²
f ) . ( x + 1 )²
g ) . ( 4 + x )²
h ) . ( 2x + 3 )²
i ) . ( 2x + 7 )²
j ) . ( 3x + 2 )²
k ) . ( -8 + x )²
Proszę zróbcie mi to na zaraz . ! ; D
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
a ) . ( a + 3 )²=a²+6a+9
b ) . ( b + 2 )²=b²+4b+4
c ) . ( 3b + 4 )²=9b²+24b+16
d ) . ( 4a + 7)²=16a²+56a+49
e ) . ( x + 7 )²=x²+14x+49
f ) . ( x + 1 )²=x²+2x+1
g ) . ( 4 + x )²=16+8x+x²
h ) . ( 2x + 3 )²=4x²+12x+9
i ) . ( 2x + 7 )²=4x²+28x+49
j ) . ( 3x + 2 )²=9x²+12x+4
k ) . ( -8 + x )²=64-16x+x²
korzystasz ze wzorów skróconego mnożenia:
(a+b)²= a²+2ab+b²
(a-b)²= a²-2ab+b²
a ) ( a + 3 )²= a²+6a+9
b ) ( b + 2 )²= b²+4b+4
c ) ( 3b + 4 )²= 9b²+24b+16
d ) ( 4a + 7)²= 16a²+56a+49
e ) ( x + 7 )²= x²+14x+49
f ) ( x + 1 )²= x²+2x+1
g ) ( 4 + x )²= (x+4)²= x²+8x+16
h ) ( 2x + 3 )²= 4x²+12x+9
i ) ( 2x + 7 )²= 4x²+28x+49
j ) ( 3x + 2 )²= 9x²+12x+4
k ) ( -8 + x )²= (x-8)²= x²-16x+64