Question
If a + b = -2 and a - b = 12, find b.
यदि a + b = -2 और a - b = 12 है, तो b मान ?
Answer D.
D.a+b=-2----(1)
a-b=-12----(2)
from (1),(2)
a=5
b=-7
So the correct answer is option D.
D.a+b=-2----(1)
a-b=-12-----(2)
(1) और (2) से
a=5
b=-7
इसलिए सही उत्तर विकल्प D है l
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