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yeh acha abhyas hai. hamare ase kai sare problem hain veh puch te hain --- 12a cubed minus 20a squared over 16a squared plus 8a apne lowest terms mein kya hoga
dette er god øvelse. de giver en masse af det. de siger hvad er 12a i 3. potens minus 20a kvadreret over 16a kvadreret plus 8a.

ham problem 66 pe hain x squared minus 4x plus 4, divided by x squared minus 3x plus 2apne lowest term mein kya hoga ab dono quadratic equation ka factor nikal na hai or fir dekhna hai ki factor kat te hai ya nahi
vi er ved problem 66. og det er: hvad er x kvadreret minus 4x plus 4 divideret med x kvadreret minus 3x plus 2, reduceret til det laveste?

problem 70 vo chahte hain ham practise kartein rahein to vo liktein hai x^2+8x+16,over x+3 divided by 2x plus 8, over x squared minus 9 to jab tum ek fraction se divide karte hai to tum us fraction ke inverse se multiply kar dete ho to ye barabar hai x squared plus 8x plus + sixteen (x^2+8x+16) over x plus three (x+3) time eska ulta(inverse), x squared minus nine (x^2-9) over 2x plus eight (2x+8) . chalo ab ese ham simplify kartein hain . to ye ,4 plus 4 is 8 hai, or ye 4 times 4 is 16 hai. to ham ese ase likh saktein hai x plus 4 times x plus 4.....(x+4)(x+4) to ham ese ase likh saktein hai x plus 4 times x plus 4.....(x+4)(x+4) x squared minus 9... a squared minus b squared.. (a^2-b^2) ke form mein hai to ye hua (x+3)(x-3)...x plus 3 times x minus 3 . ham edhar 2 bahar nikal saktein hai. to ye ban jayega 2(x+4) .. 2 times x plus 4 hamare par edhar x+3 hai or han jab ham fractions multiply kartein hain ham bhas sare numerators ko multiply kar dete hain over sare denominators ko multiply kar dete hai to tum edhar ek line bana dete ho to numerator (x+4)(x+4)(x+3)(x-3)...x plus 4 times x plus 4 times x plus 3 times x minus 3 hua to numerator (x+4)(x+4)(x+3)(x-3)...x plus 4 times x plus 4 times x plus 3 times x minus 3 hua ye sab divided by (x+3)(2x+4)..x plus 3 times 2 times x plus 4 to ab thodi cancellation kartein hain ye hi to maze vali bat hai to hamarein pas (x+4) or (x+4) hai, enhe cancel kardo to hamarein pas (x+4) or (x+4) hai, enhe cancel kardo hamarein pas (x+3) or (x+3) hai, enhe bhi cancel kar do hamarein pas (x+3) or (x+3) hai, enhe bhi cancel kar do or ab hamarein pas kya bachta hai hamarein pas bachta hai (x+4)(x-3) ye sab divided by 2 or choice c vala hai ab mein apkon next video mein milta hoon ab mein apkon next video mein milta hoon
problem 70. de vil have os til at fortsætte dette. det er god øvelse.