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CBSE - Class 9 Lessons
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Post a LessonAnswered 3 days ago Learn CBSE - Class 9/Class 9 Mathematics/Chapter 1 Number Systems/EXERCISE - 1.5
Renu
Dynamic professional with nearly 16 years of rich experience in Academic with various school.
renu sundriyal
i) 22/3.21/5
Using exponent rules: ap × aq = ap + q (For a > 0, where p and q are rational numbers)
= 22/3 + 1/5
= 2(10+3) /15
= 213/15
ii) (1/33)7
Using exponent rules: (ap)q = apq and 1/a-n = an
(1/33)7 = 17/ (33)7
= 1/321
= 3-21
iii) 111/2/111/4
Using exponent rules: ap/aq = ap - q
111/2/111/4 = 111/2 - 1/4
= 111/4
iv) 71/2. 81/2
Using exponent rules: ap.bp = (a.b)p
71/2. 81/2 = (7 × 8)1/2
= 561/2
read lessAnswered on 29 Sep Learn CBSE - Class 9/Class 9 Mathematics/Chapter 1 Number Systems/EXERCISE - 1.5
Aradhna Jaiswal
Diploma in elementry education with five year tutoring experience.
1. 9^(3/2)=9^3/2=27/2=13.5 2. 32^(2/5)=32^2/5=64/5 =12.8 3. 16^(3/4)=16^3/4=48/4 =12 4. 125^1/3=125/3 =41.6667
read lessAnswered on 13 Sep Learn CBSE - Class 9/Class 9 Mathematics/Chapter 1 Number Systems/EXERCISE - 1.3
Shobha N.
Spoken English and Class X tuition tutor with 20 years of experience
Answered on 13 Sep Learn CBSE - Class 9/Class 9 Mathematics/Chapter 1 Number Systems/EXERCISE - 1.3
Shobha N.
Spoken English and Class X tuition tutor with 20 years of experience
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