# CBSE Class 11 Science Free Doubts and Solutions

### CBSE - XI Science - Mathematics

## Find the value of x+y if [x(1+3i)+y.(2-i)-5+i cube]=0

**arshinhussain598**22nd March 2019, 7:47 PM

### CBSE - XI Science - Mathematics

## members planner to go A family of 4for Goa by train during summer for adventures. On the day of Journey all the auto/taxi drivers were on strike due to price hike of petrol. So the family couldn’t get any transport to railway station. Now family is standing at the crossing of two straight roads represented by equations 2x–3y– 4=0 and 3x–4y–5=0, want to reach the path whose equation is 6x–7y+8=0 in least time. Find the equation of path that they should follow any why?

**amogha4920**22nd March 2019, 10:43 AM

### CBSE - XI Science - Physics

## show that the total mechanical energy of a body falling under gravity in conserved discuss the graphically also

**satya785583**22nd March 2019, 7:26 AM

### CBSE - XI Science - Mathematics

## mathematical induction problem

**borahbhairabjyoti60**21st March 2019, 11:45 AM

### CBSE - XI Science - Mathematics

## Solve Q 34 in the photo

**Vidushi412**19th March 2019, 9:38 AM

### CBSE - XI Science - Mathematics

## Please solve question 33 in photo

**Vidushi412**19th March 2019, 9:31 AM

### CBSE - XI Science - Physics

## Jalpashsns Nsissnwn Sj9wwjm

**Anmolsriwastav9090**16th March 2019, 8:05 AM

### CBSE - XI Science - Physics

## Two circular discs of same mass and radius are shaped like a convex and concave lens respectively. If both are rotated about an axis perpendicular to their planes and passing through their centres, which one will have a greater moment of inertia? Give reason.

**pshiveshwar**15th March 2019, 9:55 PM

### CBSE - XI Science - Chemistry - Some Basic Concepts of Chemistry

## What are the lessons necessary to prepare for final exam

**kumaran0553**14th March 2019, 10:06 PM