Math, asked by kuldeepseet434, 9 months ago

यदि x = a, y = b समीकरणों x - y = 2 तथा x + y =
4 का हल हैं, तो a और b का मान क्रमश:
A. 3 और 5 हैं
B.
5 और 3 हैं
C. 3 और 1 हैं
D. -1 और 3​

Answers

Answered by GouriS0024
2

Step-by-step explanation:

C ) 3 and 1

3-1=2

3+1=4 so

a=3 b=1

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Answered by santoshr62801
0

Answer :-

Step-by-step explanation:

let x-y = 2 be eqn no. 1

then x+y = 4 be eqn no. 2

from I and 2

x-y = 2

x+y = 4

–––––

y & y cancel

then

2x = 6

x = 6/2

x = 3 be eqn no 3

putting eqn 3 in eqn 2 then,x+y = 4

3+y = 4

y = 4-3

y = 1

so the answer is beat (C) = 3 & 1

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