(i) 16² = 256 and 17² = 289 ⇒ 289 – 256 – 1 = 32 numbers. (ii) 99² = 9801 and 100² = 10000 ⇒ 10000 – 9801 – 1 = 198 numbers between them. Class 8 Mathematics Textbook Chapter ...
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Use identity: a³ – b³ = (a–b)(a² + ab + b²), a² – b² = (a–b)(a + b). (i) has largest numbers and cube difference. So, 67³ – 66³ is the greatest. Class 8 Mathematics Ganita Prakash A Square and A ...
Yes, the number of zeros at the end of a square is always even. This is because squaring doubles the count of trailing zeros. So, if a number ends in an odd number of zeros, its square ends with even ...