মাহবুবওসমানী.কম

Best Skills to Learn - দক্ষতা অর্জনের সেরা টপিকস। The soft skills that may be most important in a changing job market for 2022 and beyond, according to McKinsey, include: >> Critical thinking skills. >> Communication skills. >> Mental flexibility. >> Teamwork ability. >> Self-leadership. >>...

Mathematical Formulas - গণিতের সকল সুত্র। 1.. (a+b)²= a²+2ab+b² 2.. (a+b)²= (a-b)²+4ab 3.. (a-b)²= a²-2ab+b² 4.. (a-b)²= (a+b)²-4ab 5.. a² + b²= (a+b)²-2ab. 6.. a² + b²= (a-b)²+2ab. 7.. a²-b²= (a +b)(a -b) 8.. 2(a²+b²)= (a+b)²+(a-b)² 9.. 4ab = (a+b)²-(a-b)² 10.. ab = {(a+b)/2}²-{(a-b)/2}² 11.. (a+b+c)²...