xx+y, xx-y ভগ্নাংশ দুইটির—

i. হরের গুণফল x2 – y2

ii. গুণফল x2x2-y2

iii. ভাগফল x+yx-y

dsuc.created: 1 year ago | dsuc.updated: 1 month ago
dsuc.updated: 1 month ago
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