JEE Delight | 3 amazing applications of simple Triangle inequality | Algebra | Probability | P&C

JEE Delight | 3 amazing applications of simple Triangle inequality | Algebra | Probability | P&C

00:00:00 Triangle inequality
00:01:10 Algebra | The value of a/(b+c)+b/(c+a)+c/(a+b) cannot exceed 2
00:04:45 Probability | If you break a pencil into three parts, find the probability that the three parts can form a triangle
00:10:48 P&C | How many non-congruent triangles can be formed such that a+b+c=20

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[fantomstranger]

I love this jee delight series so much, thank you so much for your efforts sir

[priyanshurathore]

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[_we_are_men_]

Hello sir, it's Ankan Biswas from West Bengal, I studies in 12 class, can I still crack IIT in 1 year of dedicated preparation?

[heheh]

Sir in last question
a+b>c
a+b+c>2c
20>2c
c<10
On putting c=9 b=2 a=9
We get a solution
Let's call this triangle 929
Now if we add 9 in 929
We get 938 which is another solution
So we can see it forms an ap
929, 938, 947....992
Which gives total 8 solutions
But the sides are being repeated