Suppose `a_1,A_2,.....,A_30` are thirty sets each with five elements and `B_1, B_2,.......,B_n...

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Pehla hi step galat hai....How can you say that all elements are different and directly counted them as 30 * 5

harshitsinghpakhariya
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What a easy explanation sir thanks a lot ❤

priyanshueducore
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But what does i=1 and j=1 mean? Thanks

dhenukaiyer
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Kya teacher lga rhkhae hain ye .kush ata jata hi nahi hai inko

musicvector
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Kuch ata jate h nahi isko very poor explanation

ffffffffffff
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Samjha pae nii hai jbrdasti likh diya hai aapne😤

utkarshsingh