MP Board Class 9th Maths Solutions Chapter 1 संख्या पद्धति Ex 1.6

MP Board Class 9th Maths Solutions Chapter 1 संख्या पद्धति Ex 1.6

प्रश्न 1.
ज्ञात कीजिए :
(i) (64)^1/2 (2019)
(ii) (32)^1/5
(iii) (125)^1/3 (2018).
हल:
(i) (64)^1/2 = (8²)^1/2 = 8^1/2×2 = 8.
(ii) (32)^1/5 = (2⁵)^1/5 = 2^5×1/5 = 2.
(ii) (125)^1/3 = (5³)^1/3 = 5^3×1/3 = 5.

प्रश्न 2.
ज्ञात कीजिए:
(i) 9^3/2
(ii) 32^2/5
(iii) 16^3/4
(iv) 125^-1/3.
हल:
(i) 9^3/2 = (3² )^3/2 = 3^2×3/2 = 3³ = 27.
(ii) 32^2/5 = (2⁵)^2/5 = 2^5×2/5= 2² = 4.
(iii) 16^3/4 = (2⁴)^3/4 = 2^4×3/4 = 2³ = 8.
(iv) 125^-1/3 = (5³)^-1/3 = 5³(^-1/3) = 5^-1 = \(\frac { 1 }{ 5 }\)

प्रश्न 3.
सरल कीजिए:

हल:

MP Board Class 9th Maths Solutions