b and c`.
3. If the origin is the centroid of the triangle PQR with vertices P (2a, 2, 6), Q (– 4, 3b, –10) and R(8, 14, 2c), then find the values of a, b and c.
30
Oct
3. If the origin is the centroid of the triangle PQR with vertices P (2a, 2, 6), Q (– 4, 3b, –10) and R(8, 14, 2c), then find the values of a, b and c. –10) and R(8 14 2 2C 3. If the origin is the centroid of the triangle PQR with vertices P [...]
Tags:
–10) and R(8 ,
14 ,
2 ,
2C ,
3. If the origin is the centroid of the triangle PQR with vertices P (2a ,
3b ,
6 ,
b and c`. ,
Q (– 4 ,
then Find the values of a ,
11. Sum of the first p, q and r terms of an A.P. are a, b and c, respectively. Prove that
27
Oct
11. Sum of the first p, q and r terms of an A.P. are a, b and c, respectively. Prove that 11. Sum of the first p b and c`. q and r terms of an A.P. are a respectively. Prove that October 27, 2021 Category: Chapter 9 - Sequences and Series , Maths , [...]
Activities of three radioactive substances A, B and C are represented by the curves A, B and C, in the figure. Then their half-lives T 1/2 (A) : T 1/2 (B) : T 1/2 (C) are in the ratio
19
Sep
Activities of three radioactive substances A, B and C are represented by the curves A, B and C, in the figure. Then their half-lives T 1/2 (A) : T 1/2 (B) : T 1/2 (C) are in the ratio Activities of three radioactive substances A B and C are represented by the curves A b [...]
70. For all rational numbers a, b and c, a (b + c) = ab + bc.
08
Jul
70. For all rational numbers a, b and c, a (b + c) = ab + bc. 70. For all rational numbers a a (b + c) = ab + bc. b and c`. July 8, 2021 Category: Chapter 1 - Rational Numbers , Maths , NCERT Class 8 ,
Write True or False and justify your answer in each of the following: 8. If A, B, C, D are four points such that ∠BAC = 30° and ∠BDC = 60°, then D is the centre of the circle through A, B and C.
02
Jul
Write True or False and justify your answer in each of the following: 8. If A, B, C, D are four points such that ∠BAC = 30° and ∠BDC = 60°, then D is the centre of the circle through A, B and C. B b and c`. C D are four points such that [...]
7. Through A, B and C, lines RQ, PR and QP have been drawn, respectively parallel to sides BC, CA and AB of a ∆ ABC as shown in Fig.8.5. Show that BC = 1/2 QR.
01
Jul
7. Through A, B and C, lines RQ, PR and QP have been drawn, respectively parallel to sides BC, CA and AB of a ∆ ABC as shown in Fig.8.5. Show that BC = 1/2 QR. 7. Through A b and c`. CA and AB of a ∆ ABC as shown in Fig.8.5. Show that [...]
In the given reaction , 92 U^235 to (A) to (B) to (C) , isotopes are (a) A and C (b) 92 U^235 and C (b) A and B (d) A, B and C
14
Feb
In the given reaction , 92 U^235 to (A) to (B) to (C) , isotopes are (a) A and C (b) 92 U^235 and C (b) A and B (d) A, B and C 92 U^235 to (A) to (B) to (C) b and c`. In the given reaction isotopes are (a) A and C [...]
A gas bubble, from an explosion under water, oscillates with a period proportional to PadbEc, where P is the static pressure , d is the density and E is the total energy of the explosion. Find the values of a,b and c.
11
Feb
A gas bubble, from an explosion under water, oscillates with a period proportional to PadbEc, where P is the static pressure , d is the density and E is the total energy of the explosion. Find the values of a,b and c. A gas bubble b and c`. d is the density and E is [...]
Consider a system of three charges 3/q, 3/q and − 3/2q placed at points A, B and C, respectively, as shown in the figure. Take O to be the centre of the circle of radius R and angle CAB = 60^o
06
Dec
Consider a system of three charges 3/q, 3/q and − 3/2q placed at points A, B and C, respectively, as shown in the figure. Take O to be the centre of the circle of radius R and angle CAB = 60^o 3/q and − 3/2q placed at points A as shown in the figure. Take [...]
Given the molecular formula of the hexa coordinated complexes (A) CoCl3.6NH3 (B) CoCl3.5NH3 (C) CoCl3.4NH3. If the number of co-ordinated NH3 molecules in A, B and C
03
Dec
Given the molecular formula of the hexa coordinated complexes (A) CoCl3.6NH3 (B) CoCl3.5NH3 (C) CoCl3.4NH3. If the number of co-ordinated NH3 molecules in A, B and C b and c`. Given the molecular formula of the hexa coordinated complexes (A) CoCl3.6NH3 (B) CoCl3.5NH3 (C) CoCl3.4NH3. If the number of co-ordinated NH3 molecules in A December [...]