Page 124 - Grade 10 C.Math

-u_ (−7) × (−7) × (−7) = ⋯.

-3_ (a + 2) × (a + 2) × (a + 2) = ⋯
pbfx/0f

×
Curriculum Development Centre
1. ;/n ug'{xf];\ M

×

;dfwfg

x
x
1 + × 1 −
y y

y y
+ 1 × − 1
x x

×

= =

×

x x x x
= × = =
y y y y

2. ;/n ug'{xf];\ M + +

;dfwfg
+ +

x x x
= + +

x (1 + x + x ) x (1 + x + x ) x (1 + x + x )
x x x
= + +

x + x × x + x × x x + x × x + x × x x + x × x + x × x
x x x
= + +

x + x + x x + x + x x + x + x

= + + = = 1

ul0ft, sIff – 10 121