Question

1.(state true or false) every irrational number is a real number. give reason for your answer.

2.If a point A(3,5) and B(1,4) lies on the graph of line ax+by=7, find the value of a and b.

3. without actually calculating the cubes, find (-11)^3 + (7)^3 + 4^3

4. If a and b are rational numbers, find the value of a and b in:-

$( \sqrt{3} - 1) \div ( \sqrt{3} + 1) = a - b \sqrt{3}$

​

Answer 1

Answer:

1 - True because real numbers has rational and irrational number both

Answer 2

Answer:

hope it helps you........