Question

(1) find cube root of 32768 by using estimation method
(2)add s²+m²,m²+n²,n²+s²,2sm+2mn+2ns​

Answer 1

Answer:

(1)The cube root of 32768 is 32. We shall separate 32768 in to groups. ➡️The groups are 32 and 768. ◾768 ends with 8.

(2) L^2+M^2+M^2+N^2+N^2+L^2

2L^2+2M^2+2N^2

2(L^2+M^2+N^2)

2Lm+2mn+2nl

2(lm+mn+nl)

Answer 2

Answer:

1)cube root of 32768 = 32

2)2(s²+m²+n²+sm+mn+ns)