tutor lagi kak aljabar

~Aljabar
_________
No.1
a.
= b × a × a × a × 3
= b × a³ × 3
= 3a³b
b.
= r × r × r × ( - 5 )
= r³ × (- 5)
= - 5r³
c.
= ( - a ) × ( - a ) × ( - a ) × ( - 7 )
= ( - a )³ × ( - 7 )
= - 7( - a )³
d.
= ( - b ) × a × ( - b ) × ( - 4 )
= ( - b )( - b ) × a × ( - 4 )
= ( - b )² × a × ( - 4 )
= - 4ab² atau - 4a( - b )²
e.
= (a × a × a) + (y × y)
= a³ + y²
____
No.2
a.
= 5a
= 5 × a
b.
= 3a²b
= 3 × a × a × b
c.
= 2a + 7b
= (2 × a) + (7 × b)
d.
= x³ + y²
= (x × x × x) + (y × y)
e.
= 5(r² + y³)
= 5 × [(r × r) + (y × y × y)]
[answer.2.content]