Quadratic equation Presented by: Abhishek Kumar

About me: Cleared Bank Of Baroda PO Cleared SSC CHSL Cracked NDA,AFCAT exam Attended SSB thrice Currently working in IBM India Follow me: https://unacademy.com/userlAbhishek_kr Contribute

Special Cases: Type:1 SQUARES X2 = 1600 y2 = 1600 Answer is CND. Because, a square would always mean possibility of a positive as well as negative value, x = 40,-40 y = 40.40 Hence, any 2 squares or their variations are always CND, irrespective of the values.

Example:2 X2-243 = 468 y: + 513 = 1023 Don't touch the pen. Its a CND. Because, ultimately we'll get a perfect/ imperfect square, which is always a CND

e. EQUATIONS Example:5x 4y 92 4x+2y = 64 Soln: 8x+4y = 128. 8x + 4y = 128 5x + 4y = 92 3x = 36 X=12 y=8 So, X > Y is right here.

Type 3: Involving roots QF-N3x-54 = 0; y2+2y-24 = 0

QF-7V3x-54 = 0; y2 +y2y-24 = 0 5 -94 2J3 2

2 22 4-

Q.x?_7V3x-54 = 0; y2+2y-24 = 0 2 2 2 5 2 4- "Y2+ 127-302 7-2420

Q.x?_7V3x-54 = 0; y2+2y-24 = 0 2 2 2 5 2 4- "Y2+ 127-302 7-2420 CND

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Abhishek Kumar

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Sajahan sardar

4 months ago

dada July er ta lagbe....
samne exam ache.....plz dada dao

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Ravi Ranjan

a year ago

Thanks sir

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Shakshi Yadav

2 years ago

Sir if both options comes CND & no relation then? Which one we should opt?

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Dillip Kumar Mahana

3 years ago

many many thanks ...... providing such an unbelievable method....really it ll help me in SBI po...please sir send such a valuable and time consuming methods....

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Sunny Verma

2 years ago

brief and nicely explained. must watch by all. way to go.

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Ratan Baishya

2 years ago

Great course sir .

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