Factorization of 11x² − 10√3x − 3 Factorization of 11x² − 10√3x − 3 Factorization of the polynomial \[ 11x^2 – 10\sqrt{3}x – 3 \] gives __________ Solution \[ 11x^2 – 10\sqrt{3}x – 3 \] \[ =11x^2-11\sqrt{3}x+\sqrt{3}x-3 \] \[ =11x(x-\sqrt{3})+\sqrt{3}(x-\sqrt{3}) \] \[ =(x-\sqrt{3})(11x+\sqrt{3}) \] \[ \boxed{(x-\sqrt{3})(11x+\sqrt{3})} \] Next Question / Full Exercise

If 1/a + 1/b + 1/c = 1 and abc = 2, Find ab²c² + a²bc² + a²b²c If 1/a + 1/b + 1/c = 1 and abc = 2, Find ab²c² + a²bc² + a²b²c If \[ \frac{1}{a}+\frac{1}{b}+\frac{1}{c}=1 \] and \[ abc=2, \] then find \[ ab^2c^2+a^2bc^2+a^2b^2c. \] Solution Given: \[ \frac{1}{a}+\frac{1}{b}+\frac{1}{c}=1 \] Multiplying

Factorize a³ + (b − a)³ − b³ Factorize a³ + (b − a)³ − b³ The factorized form of \[ a^3+(b-a)^3-b^3 \] is Solution Let \[ x=a,\quad y=(b-a),\quad z=-b \] Then, \[ x+y+z = a+(b-a)-b \] \[ x+y+z=0 \] We know that if \(x+y+z=0\), then \[ x^3+y^3+z^3=3xyz \] Therefore, \[ a^3+(b-a)^3-b^3 = 3(a)(b-a)(-b) \]

Factorize x² − 1 − 2a − a² Factorize x² − 1 − 2a − a² Question: Factorize: \[ x^2 – 1 – 2a – a^2 \] Solution Rearranging the terms: \[ x^2 – 1 – 2a – a^2 = x^2-(a^2+2a+1) \] \[ = x^2-(a+1)^2 \] Using the identity \[ A^2-B^2=(A-B)(A+B) \] Therefore, \[ x^2-(a+1)^2

Factorize y² + (x − 1)y − x Factorize y² + (x − 1)y − x The factorized form of the expression \[ y^2+(x-1)y-x \] is Solution Given expression: \[ y^2+(x-1)y-x \] Split the middle term: \[ = y^2+xy-y-x \] Grouping the terms: \[ = y(y+x)-1(y+x) \] Taking common factor: \[ = (y-1)(y+x) \] Therefore,

Factorize x⁴ + x² + 25 Factorize x⁴ + x² + 25 Question: Factorize: \[ x^4+x^2+25 \] Solution We write \[ x^4+x^2+25 = x^4+10x^2+25-9x^2 \] \[ = (x^2+5)^2-(3x)^2 \] Using the identity \[ a^2-b^2=(a-b)(a+b) \] Therefore, \[ x^4+x^2+25 = (x^2+5-3x)(x^2+5+3x) \] \[ = (x^2-3x+5)(x^2+3x+5) \] Therefore, \[ \boxed{(x^2-3x+5)(x^2+3x+5)} \] Next Question / Full Exercise

Write the Value of 30³ + 20³ − 50³ Write the Value of 30³ + 20³ − 50³ Question: Write the value of \(30^3 + 20^3 – 50^3\). Solution Let \[ a=30,\quad b=20,\quad c=-50 \] Then, \[ a+b+c=30+20-50 \] \[ a+b+c=0 \] We know that if \(a+b+c=0\), then \[ a^3+b^3+c^3=3abc \] Therefore, \[ 30^3+20^3-50^3 =

Write the Value of (1/2)³ + (1/3)³ − (5/6)³ Write the Value of (1/2)³ + (1/3)³ − (5/6)³ Question: Write the value of \[ \left(\frac{1}{2}\right)^3 + \left(\frac{1}{3}\right)^3 – \left(\frac{5}{6}\right)^3 \] Solution Let \[ a=\frac{1}{2},\quad b=\frac{1}{3},\quad c=-\frac{5}{6} \] Then, \[ a+b+c= \frac{1}{2} + \frac{1}{3} – \frac{5}{6} \] Taking LCM = 6, \[ a+b+c= \frac{3+2-5}{6} \] \[

Write the Value of 48³ − 30³ − 18³ Write the Value of 48³ − 30³ − 18³ Question: Write the value of \(48^3 – 30^3 – 18^3\). Solution Let \[ a=48,\quad b=-30,\quad c=-18 \] Then, \[ a+b+c=48-30-18 \] \[ a+b+c=0 \] We know that if \(a+b+c=0\), then \[ a^3+b^3+c^3=3abc \] Therefore, \[ 48^3-30^3-18^3 =3(48)(-30)(-18)

Write the Value of 25³ − 75³ + 50³ Write the Value of 25³ − 75³ + 50³ Question: Write the value of \(25^3 – 75^3 + 50^3\). Solution We know that \[ a^3+b^3+c^3-3abc=(a+b+c)(a^2+b^2+c^2-ab-bc-ca) \] Let \[ a=25,\quad b=-75,\quad c=50 \] Then, \[ a+b+c=25-75+50 \] \[ a+b+c=0 \] Therefore, \[ a^3+b^3+c^3=3abc \] Substituting the values: