Question

of Sure
3. In the following equations, find whether variables x, y, zetc. represent rational or irrational
numbers
tial for
erm Na
i) x2 = 7 ii) y2 = 16 iii) 7 = 0.02
17
iv)
u?
v) w2 = 27
4
vi) +4 = 256
4. Every surd is an irrational, but every irrational need not be a surd. Justify your
1 a sque
answer.
ta su
5. Rationalise the denominators of the following:
1
1)
iii)
3
iv)
V6
73 -
3+√2
ſi-ſ6
6. Simplify each of the following by rationalising the denominator:
1
315-17
1)
6-4√2
6+4√2
ii)
ſi-ſ5
√7+ √5
i) 312-213
iv) 373 +12
7. Find the value of
vio-15
212
upto three decimal places. (take V2 = 1.414 and
5 = 2.236)
8. Find:
i)
646
ii) 32
iii) 625
*
vi) (46656)
iv) 162
v) 2433
9. Simplify: 181 - 82343 + 15 332 + 225

Answer 1

Answer:

whoa what's this I can't able to understand

Answer 2

Step-by-step explanation:

every every search is and rational but every rational no need to just for answer