Maths-
General
Easy
Question
16R2 r r1 r2 r3 =
- abc
- a3 b3 c3
- a2 b2 c2
- a2 b3 c4
The correct answer is: a2 b2 c2
Related Questions to study
General
The Complete set of values of 'x' which satisfy the inequations: 
The Complete set of values of 'x' which satisfy the inequations: 
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The interval in which
is positive is
The interval in which
is positive is
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Rr (sin A + sin B + sin C) =
Rr (sin A + sin B + sin C) =
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r1+ r2 =
r1+ r2 =
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+
+
=
+
+
=
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If a , b, c are in A.P., then r1, r2, r3 are in
If a , b, c are in A.P., then r1, r2, r3 are in
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If the sides be a, b, c then (r1–r) (r2+ r3) =
If the sides be a, b, c then (r1–r) (r2+ r3) =
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If the sides be a, b, c then
+
+
=
If the sides be a, b, c then
+
+
=
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If the sides be a, b, c then (r + r1) tan
+(r + r2) tan
+ (r+ r3) tan
=
If the sides be a, b, c then (r + r1) tan
+(r + r2) tan
+ (r+ r3) tan
=
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=

=
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(r1 – r) (r2 – r) (r3 – r) =
(r1 – r) (r2 – r) (r3 – r) =
Maths-General
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+
+
+
=
+
+
+
=
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GeneralGeneral