Monday 12 August 2024

EXPONENTIALS J1

 

If y5 = 3, find y10 - 10y5.

 

Solution

 

= y10- 10y5.

 

= (y5)2- 10y5

 

= (3)10 – (10 x 3)     remember y5 = 3

 

= (59049) – (30)

 

= 59019

 

 

Hence y10- 10y5= 59019.

 

TRY THIS……………….

 

 

If  w9 = 3, find w36- 10w9.

1 comment:

  1. Great examples and I think we shall use them for our math homeworks.

    ReplyDelete