Ask a Doubt
Request a call back

Join NOW to get access to exclusive study material for best results

CBSE Class 7 Answered

If any number is powered up by 0,what will be the result?why?
Asked by amu_bgr | 08 Apr, 2019, 02:24: PM
answered-by-expert Expert Answer
begin mathsize 16px style Let space the space number space be space straight x. To space prove space that colon space straight x to the power of 0 space space equals space 1 We space know space that space straight x to the power of left parenthesis straight n minus 1 right parenthesis end exponent space equals space straight x to the power of straight n space cross times space straight x to the power of negative 1 end exponent space equals space straight x to the power of straight n over straight x space space space space...... space left parenthesis straight i right parenthesis straight L. straight H. straight S space equals space straight x to the power of 0 space equals straight x to the power of left parenthesis 1 minus 1 right parenthesis end exponent space space equals space straight x to the power of 1 over straight x space equals space 1 space equals space straight R. straight H. straight S Hence space proved colon Example colon 2 to the power of 0 space equals space 2 to the power of left parenthesis 1 minus 1 right parenthesis end exponent space equals space 2 to the power of 1 over 2 space equals space 1 end style
Answered by Yasmeen Khan | 08 Apr, 2019, 03:38: PM

Concept Videos

Multiple Choice Questions Practice Test
Answered Unanswered My Questions My Answers
CBSE 7 - Maths
34(-34)and(-28)
Asked by amritlalmishra97 | 28 Apr, 2024, 01:38: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 7 - Maths
(-4)×(-5)×(-2)×(-1)
Asked by asthaenterprises2021 | 24 Apr, 2024, 04:58: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 7 - Maths
find x if 9- 5 and 7 by 8 is equal to x-1/8
question image
Asked by shouryavijay0020012 | 17 Apr, 2024, 03:45: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 7 - Maths
an aeroplane was flying at a height of 1800 m if decent at rate of 60 m per minute how long it will take to decent at height of 300 m
Asked by archanansingh89 | 14 Apr, 2024, 03:01: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 7 - Maths
(-3)×(-12)÷(-4)+3×6
Asked by pakshat261 | 14 Apr, 2024, 01:27: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 7 - Maths
starting from (-1)×5, write various products showing some pattern to show (-1)×(-1)= 1
Asked by dineshsinghdhan9 | 11 Apr, 2024, 11:06: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 7 - Maths
6. In an examination for each correct answer 5 marks is awareded and for each wrong   answer (-2) is awarde(ii) Jaya answered all the questions. But she could answer only 5 questions correctly and obtained (-6). How many questions were answered incorrectly by them.d.
Asked by nabamallikasaikia346 | 11 Apr, 2024, 08:45: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 7 - Maths
write a pair of negative integers whose difference gives 8
Asked by bpadhee | 08 Apr, 2024, 08:51: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 7 - Maths
verify a×(b×c)=(a×b)×c when a = 12 , b =-10 and c = - 5
Asked by nutansharma22011 | 08 Apr, 2024, 06:13: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 7 - Maths
(-25)×7
Asked by narendrasgl222 | 07 Apr, 2024, 02:11: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
My Class Videos Tests ₹ Plans Ask a Doubt
Get Latest Study Material for Academic year 24-25 Click here
×