Class IX & X (Algebraic Expressions) বীজগাণিতীক রাশি Class 3
Class IX & X (Algebraic Expressions) বীজগাণিতীক রাশি Class 3
Class IX & X (Algebraic Expressions) বীজগাণিতীক রাশি Class 3
Chapter 3 (Algebraic Expressions) Constant, Variables, Power, Base etc.
Square Formula Use (a+b)^2=a^2+2ab+b^2,(a-b)^2=a^2-2ab+b^2,(a+b)^2-2ab=a^2+b^2,(a+b)^2+2ab=a^2+b^2,(a+b)^2-4ab=(a-b)^2, (a+b)^2-4ab=(a-b)^2, ab=((a+b)/2)^2-((a-b)/2)^2, 2(a^2+b^2)=(a+b)^2+(a-b)^2, 4ab=a+b)^2+(a-b)^2, (x+a)(x+b)+x^2+(a+b)x+ab, (a^2-b^2)=(a+b)(a-b)
সূত্র গুলো ব্যবহার কবে 3য় অধ্যায়ে সৃজনশীল পশ্নের উত্তর
X^4+1/X^4 , X^5+1/X^5 , X^6+1/X^6 , X^7+1/X^7 , X^8+1/X^8 , X^4-1/X^4 , X^5-1/X^5 , X^6-1/X^6 , X^7-1/X^7 ,X^8-1/X^8....................................................................................
X^4(X^8+1)/X^4, X^4(X^8-1)/X^4, X^5(X^10+1)/X^5, X^5(X^10-1)/X^5, X^6(X^12+1)/X^6, X^6(X^12-1)/X^6, X^7(X^14+1)/X^7, X^7(X^14-1)/X^7....................................................
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