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Standard X
Mathematics
Question
Which of the following is true?
−
121
+
11
=
11
−
121
(
11
)
=
−
11
−
121
−
11
=
11
−
121
11
=
−
11
A
−
121
+
11
=
11
B
−
121
−
11
=
11
C
−
121
11
=
−
11
D
−
121
(
11
)
=
−
11
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Solution
Verified by Toppr
Option A:
−
121
+
11
=
−
11
(not possible)
Option B:
−
121
(
11
)
=
−
11
(not a possible case)
Option C:
−
121
−
11
=
−
11
(not possible)
Option D:
−
121
11
=
−
11
(True)
So, option D is correct.
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