Multiply: `(sqrta +sqrtb)(sqrta-sqrtb)`

Multiply : (ab - 1)(3-2ab)

If a,b,c are in A.P., then prove that the following are also in A.P (i) a^(2)(b+c),b^(2)(c+a),c^(2)(a+b) ltbr gt(ii) 1/(sqrtb+sqrtc),1/(sqrtc+sqrta),1/(sqrta+sqrtb) (iii) a(1/b+1/c),b(1/c+1/a),c(1/a+1/b)

Multiply 475 by 64.

Multiply : 2.4 xx16

If sqrt(9+sqrt48-sqrt32-sqrt24)=sqrta-sqrtb+2 ,where a,b inN , then find the value of a + b.

Multiply : 0.8xx10

Multiply : 6.5xx10

Multiply: a. 4 xx (11)/(36)

Multiply 5217 by 325

Multiply : 3.45 xx17