Question

Please answer this question urgently. I will surely mark as brainliest. Please Please Please. It's a humble request. ​

Answer 1

Answer:

,

Step-by-step explanation:

16 . At first find the LCm of 15 and 21

15 = 3*5

21 = 7*3

LCM = 3*5*7

here no number is repeated so their pair 3*5*7

provides (3^2)*(5^2)*(7^2)= 11025 is the required smallest number divided by both 15 and 21

17. 841, 1686

I think this will help you.....

Answer 2

Step-by-step explanation:

factorise x to the power 4 - 4 y square