for gale
m² + 4n² + 25z²-
= (m)² + (-2n)² + (5z) +2.m
= (m-2n+52)
1. ଶୂନ୍ୟସ୍ଥାନ ପୂରଣ କର ।
ଅନୁଶୀଳନୀ -3(f)
(i) (a + 2)²= a² + (-) a + 22
(ii) (3+ y)² = 9+3(-) + y²
(ii
) (4 - y)² =
16+2 (-) + y²
(iv
) (2x-3y)² = 4x²
- 3 (-) + 9y2
(v) (x+a) (x-b) = x²+(-) x-ab
8 9 8 &da
84
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