CBSE Class 10 Answered
PROVE THE FOLLOWING STATEMENT :
Asked by | 16 Apr, 2008, 08:12: PM
Expert Answer
If a number is of the type 4k + 2 it is even.
If an even number is square, then it is the square of an even number, not the square of an odd number.
Square of an even number, say 2n, is 4n^2, which is a multiple of 4. So if an even number is a square, it has to be a multiple of 4.
But 4k+2 is not a multiple of 4. When you divide it by 4 you get a remainder of 2, not zero.
Answered by | 15 May, 2008, 09:23: PM
CBSE 10 - Maths
Asked by KONDA VENKATA KHEERTHANA | 04 May, 2018, 10:29: AM
ANSWERED BY EXPERT
CBSE 10 - Maths
Show that every positive even integer is of the form2q and every positive odd integer is of the form
Asked by suryap2 | 26 May, 2010, 04:16: PM
ANSWERED BY EXPERT
CBSE 10 - Maths
Asked by surazz | 23 May, 2010, 12:31: PM
ANSWERED BY EXPERT
CBSE 10 - Maths
Asked by sahil.95rana | 23 May, 2010, 06:53: AM
ANSWERED BY EXPERT
CBSE 10 - Maths
Asked by surazz | 09 May, 2010, 10:06: AM
ANSWERED BY EXPERT
CBSE 10 - Maths
Asked by sumandeesinghrana | 30 Apr, 2010, 08:15: PM
ANSWERED BY EXPERT
CBSE 10 - Maths
Asked by ayushikas | 30 Apr, 2010, 08:42: AM
ANSWERED BY EXPERT
CBSE 10 - Maths
Asked by saraza | 27 Apr, 2010, 08:55: PM
ANSWERED BY EXPERT
CBSE 10 - Maths
Asked by kanz_daruler1 | 26 Apr, 2010, 09:52: PM
ANSWERED BY EXPERT