Evaluate each of the following using identities
(a) (y+3)^3
(b) (1001)^2
(c) (a²b²-d^2)^2
(d) 97^2
Answers
Answered by
4
PLEASE MARK MY ANSWER AS THE BRAINIEST
(a) (y+3)³
→ y³+9+3(3y)(y+3)
(b) (1001)³
→ (1000+1)³ = 1000000000+1+3(1000)(1001)
= 1,00,00,00,001+30,03,000 = 1,00,30,03,001
(c) (a²b²-d²)²
→ a⁴b⁴+d⁴-2a²b²d²
(d) (97)³
→ (100-3)³ = 1000000-27-3(300)(97)
= 999973-87300 = 912673
Similar questions